@import url('https://fonts.googleapis.com/css2?family=Nunito:wght@300;400;500;600;700&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Doto:wght@100..900&display=swap');
@import url('https://fonts.googleapis.com/icon?family=Material+Icons');

:root {
    /* Dark Theme - Based on #222222 and blue-greyish tones */
    --bg-primary: #222222;
    --bg-secondary: #1a1a1a;
    --bg-tertiary: #2a2a2a;
    --text-primary: #e8e8e8;
    --text-secondary: #c8c8c8;
    --text-muted: #999999;
    --border-color: #4a5563;
    --border-hover: #5a6575;
    --accent-primary: #7a8a9a;
    --accent-hover: #6a7a8a;
    --success: #44aa66;
    --success-color: #44aa66;
    --danger: #cc5555;
    --warning: #cc9955;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.4);
    --shadow-md: 0 4px 6px 0px rgb(0 0 0 / 0.5), 0 2px 4px -2px rgb(0 0 0 / 0.5);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.6), 0 4px 6px -4px rgb(0 0 0 / 0.6);
    --radius-sm: 0;
    --radius-md: 0;
    --radius-lg: 0;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Nunito', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    line-height: 1.6;
    transition: background-color 0.3s ease, color 0.3s ease;
    overflow: hidden;
}

body.authenticated {
    overflow: auto;
}

/* PIN Authentication Overlay */
.pin-auth-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: var(--bg-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
}

.pin-auth-overlay.hidden {
    display: none;
}

.pin-container {
    background: var(--bg-primary);
    border: 2px solid var(--border-color);
    padding: 3rem;
    text-align: center;
    max-width: 500px;
    width: 90%;
    box-shadow: var(--shadow-lg);
}

.pin-container h1 {
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    font-size: 1.8rem;
    font-weight: 500;
}

.pin-container p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    font-size: 1rem;
}

.pin-display {
    margin-bottom: 2rem;
    padding: 1rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    height: 3rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    letter-spacing: 0.5rem;
}

.pinpad {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.pin-btn {
    background: var(--bg-tertiary);
    border: 2px solid var(--border-color);
    color: var(--text-primary);
    font-size: 1.5rem;
    font-weight: 500;
    padding: 1rem;
    cursor: pointer;
    transition: all 0.2s ease;
    min-height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: inherit;
}

.pin-btn:hover {
    background: var(--accent-primary);
    border-color: var(--accent-hover);
    box-shadow: var(--shadow-md);
}

.pin-btn:active {
    box-shadow: var(--shadow-sm);
}

.pin-btn.pin-clear {
    background: var(--warning);
    border-color: var(--warning);
}

.pin-btn.pin-clear:hover {
    background: #dd9944;
    border-color: #dd9944;
}

.pin-btn.pin-enter {
    background: var(--success);
    border-color: var(--success);
}

.pin-btn.pin-enter:hover {
    background: #55bb77;
    border-color: #55bb77;
}

.pin-error {
    color: var(--danger);
    font-size: 0.9rem;
    min-height: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

/* PIN User Management */
.pin-user-management {
    margin-bottom: 2rem;
    text-align: left;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.pin-user-management .user-selector {
    width: 100%;
}

.pin-user-management select {
    width: 100%;
    padding: 0.75rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    font-family: inherit;
}

.pin-user-management .user-creator {
    display: flex;
    flex-direction: row;
    gap: 0.75rem;
    width: 100%;
    align-items: stretch;
}

.pin-user-management .user-creator input {
    flex: 1;
    height: 48px;
    padding: 0.75rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    font-family: inherit;
    box-sizing: border-box;
}

.pin-user-management .user-creator .pin-user-btn {
    flex: 0 0 auto;
    min-width: 60px;
    height: 48px;
    white-space: nowrap;
    padding: 0.75rem;
    background: var(--accent-primary);
    border: 2px solid var(--accent-primary);
    color: white;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-family: inherit;
    font-size: 0.9rem;
    box-sizing: border-box;
}

.pin-user-management input {
    width: 100%;
    padding: 0.75rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    font-family: inherit;
    box-sizing: border-box;
}

.pin-user-btn {
    background: var(--accent-primary);
    border: 2px solid var(--accent-primary);
    color: white;
    padding: 0.75rem;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-family: inherit;
    font-size: 0.9rem;
    box-sizing: border-box;
}

.pin-user-btn:hover {
    background: var(--accent-hover);
    border-color: var(--accent-hover);
}

.pin-user-info {
    margin-bottom: 2rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.pin-auth-section {
    text-align: center;
}

/* Header buttons */
.header-buttons {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.current-user {
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
}

.delete-user-btn {
    background: var(--warning);
    border: 2px solid var(--warning);
    color: white;
    padding: 0.5rem;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: inherit;
}

.delete-user-btn:hover {
    background: #dd9944;
    border-color: #dd9944;
    box-shadow: var(--shadow-sm);
}

.container {
    width: 98%;
    margin: 0 auto;
    padding: 20px;
}

.header-section {
    margin-bottom: 2rem;
}

.header-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.logout-btn {
    background: var(--danger);
    border: 2px solid var(--danger);
    color: white;
    padding: 0.5rem;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: inherit;
}

.logout-btn:hover {
    background: #dd4444;
    box-shadow: var(--shadow-sm);
}

h1 {
    color: var(--text-primary);
    font-size: 2.5rem;
    margin: 0 0 1.5rem 0;
    text-align: center;
    font-family: 'Doto', Arial, sans-serif;
    font-weight: normal;
    letter-spacing: 1px;
}

.user-management {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    padding: 1rem;
    gap: 2rem;
    flex-wrap: wrap;
    max-width: 1200px;
    margin: 0 auto;
}

.user-selector {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex: 1;
}

.user-selector label {
    color: var(--text-secondary);
    font-weight: 500;
    white-space: nowrap;
}

.user-creator {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

#user-select {
    flex: 1;
    min-width: 180px;
    max-width: 250px;
    padding: 0.625rem 0.875rem;
    border: 1px solid var(--border-color);
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-size: 0.875rem;
    font-family: inherit;
    transition: all 0.3s ease;
}

#user-select:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgb(122 138 154 / 0.1);
}

#new-user-name {
    min-width: 160px;
    max-width: 200px;
}

.user-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 1rem;
    background: var(--accent-primary);
    color: white;
    border: none;
    cursor: pointer;
    font-size: 0.875rem;
    font-weight: 500;
    font-family: inherit;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-sm);
    white-space: nowrap;
}

.user-btn:hover {
    background: var(--accent-hover);
    box-shadow: var(--shadow-md);
}

.user-btn.danger-btn {
    background: var(--danger);
    padding: 0.625rem;
}

.user-btn.danger-btn:hover {
    background: #dc2626;
}

.user-btn .material-icons {
    font-size: 1rem;
}

.main-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
    min-height: 100vh;
    width: 100%;
}

.section {
    padding: 0;
    box-shadow: none;
    transition: all 0.3s ease;
    width: 100%;
    max-width: 100%;
}

.section h2 {
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
    font-weight: 600;
    border-bottom: 2px solid var(--accent-primary);
    padding-bottom: 0.75rem;
}

.inline-inputs {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
    padding: 1rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    flex-wrap: nowrap;
    align-items: center;
}

.expense-input-group, .category-input-group, .income-input-group, .unified-input-group {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    flex: 1;
    min-width: 250px;
}

.expense-input-group {
    border-right: 1px solid var(--border-color);
    padding-right: 1.5rem;
}

.income-input-group {
    border-right: 1px solid var(--border-color);
    padding-right: 1.5rem;
}

.unified-input-group {
    border-right: 1px solid var(--border-color);
    padding-right: 1.5rem;
}

.category-input-group {
    /* Letztes Element ohne rechten Rand */
}

input[type="text"], input[type="number"] {
    flex: 1;
    min-width: 120px;
    padding: 0.625rem 0.875rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 400;
    background: var(--bg-primary);
    color: var(--text-primary);
    transition: all 0.3s ease;
    font-family: inherit;
}

.expense-input-group input[type="text"], .income-input-group input[type="text"], .unified-input-group input[type="text"] {
    flex: 2;
}

.expense-input-group input[type="number"], .income-input-group input[type="number"], .unified-input-group input[type="number"] {
    flex: 1;
    max-width: 100px;
}

input[type="text"]:focus, input[type="number"]:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgb(122 138 154 / 0.1);
}

input[type="text"]::placeholder, input[type="number"]::placeholder {
    color: var(--text-muted);
}

button {
    padding: 0.625rem 1rem;
    background: var(--accent-primary);
    color: white;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 0.8rem;
    font-weight: 500;
    font-family: inherit;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-sm);
    white-space: nowrap;
    min-width: fit-content;
}

/* Toggle Switch Styling */
.input-type-toggle {
    display: flex;
    align-items: center;
    margin-right: 1rem;
    flex-shrink: 0;
}

.toggle-switch {
    position: relative;
    display: inline-flex;
    align-items: center;
    cursor: pointer;
    user-select: none;
    font-size: 0.875rem;
    gap: 0.75rem;
}

.toggle-switch input[type="checkbox"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: relative;
    display: inline-block;
    width: 60px;
    height: 30px;
    background-color: var(--success);
    border-radius: 30px;
    transition: background-color 0.3s ease;
    border: 2px solid var(--success);
}

.toggle-slider::before {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    width: 22px;
    height: 22px;
    background-color: white;
    border-radius: 50%;
    transition: transform 0.3s ease;
    box-shadow: var(--shadow-sm);
}

.toggle-switch input[type="checkbox"]:checked + .toggle-slider {
    background-color: var(--danger);
    border-color: var(--danger);
}

.toggle-switch input[type="checkbox"]:checked + .toggle-slider::before {
    transform: translateX(30px);
}

.toggle-label-left, .toggle-label-right {
    color: var(--text-secondary);
    font-weight: 500;
    transition: color 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.toggle-label-left .material-icons,
.toggle-label-right .material-icons {
    font-size: 1.2rem;
    transition: color 0.3s ease;
}

.toggle-switch input[type="checkbox"]:not(:checked) ~ .toggle-label-left {
    color: var(--success);
    font-weight: 600;
}

.toggle-switch input[type="checkbox"]:not(:checked) ~ .toggle-label-left .material-icons {
    color: var(--success);
}

.toggle-switch input[type="checkbox"]:checked ~ .toggle-label-right {
    color: var(--danger);
    font-weight: 600;
}

.toggle-switch input[type="checkbox"]:checked ~ .toggle-label-right .material-icons {
    color: var(--danger);
}

/* Icon-only add buttons - match input field height exactly */
#add-income, #add-expense, #add-category, #add-unified-item {
    padding: 0.5rem 0.625rem;
    min-width: auto;
    height: auto;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    box-sizing: border-box;
}

#add-income .material-icons,
#add-expense .material-icons,
#add-category .material-icons,
#add-unified-item .material-icons {
    font-size: 1.4rem;
    line-height: 1;
}

button:hover {
    background: var(--accent-hover);
    box-shadow: var(--shadow-md);
}

.list-container {
    /* Removed max-height and overflow to allow unlimited growth */
    scrollbar-width: thin;
    scrollbar-color: var(--border-color) transparent;
}

.list-container::-webkit-scrollbar {
    width: 6px;
}

.list-container::-webkit-scrollbar-track {
    background: transparent;
}

.list-container::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 3px;
}

.list-container::-webkit-scrollbar-thumb:hover {
    background: var(--border-hover);
}

.droppable-list {
    min-height: 200px;
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-md);
    padding: 1rem;
    transition: all 0.3s ease;
    background: var(--bg-tertiary);
}

/* Verdoppelte Mindesthöhe für Ausgaben-Droppable-List */
.list-section:has(#items-list) .droppable-list {
    min-height: 400px;
}

/* Fallback für Browser ohne :has() Support */
.list-section:nth-of-type(2) .droppable-list {
    min-height: 400px;
}

.droppable-list.drag-over {
    border-color: var(--accent-primary);
    background: var(--bg-secondary);
}

/* Gemeinsame Eigenschaften für Einnahmen, Ausgaben und Kategorien */
.expense-item, .category-item {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 0.75rem;
    margin-bottom: 0.5rem;
    cursor: move;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-sm);
    position: relative;
}

.expense-item:hover, .category-item:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--border-hover);
}

.category-item:hover {
    border-left-color: var(--success);
}

.expense-item.dragging, .category-item.dragging {
    opacity: 0.7;
    transform: rotate(2deg);
}

.expense-item {
    border-left: 4px solid var(--danger);
}

.category-item {
    border-left: 4px solid var(--accent-primary);
}

.item-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
}

.item-left {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex: 1;
}

.item-right {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.drag-handle {
    font-size: 1.25rem;
    cursor: grab;
    user-select: none;
    opacity: 0.7;
    transition: all 0.3s ease;
    color: var(--text-muted);
}

.drag-handle:hover {
    opacity: 1;
    transform: scale(1.1);
    color: var(--accent-primary);
}

.drag-handle:active {
    cursor: grabbing;
}

.material-icons {
    font-family: 'Material Icons';
    font-weight: normal;
    font-style: normal;
    font-size: inherit;
    line-height: 1;
    letter-spacing: normal;
    text-transform: none;
    display: inline-block;
    white-space: nowrap;
    word-wrap: normal;
    direction: ltr;
    -webkit-font-feature-settings: 'liga';
    -webkit-font-smoothing: antialiased;
}

.category-info {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.item-title {
    font-weight: 500;
    font-size: 1rem;
    color: var(--text-primary);
    letter-spacing: -0.01em;
}

.item-amount, .category-total {
    font-size: 1.125rem;
    font-weight: 600;
    font-variant-numeric: tabular-nums;
}

.item-amount {
    color: var(--danger);
}

.category-total {
    color: var(--danger);
}

.delete-btn {
    background: var(--danger);
    color: white;
    border: none;
    border-radius: 0;
    width: 1.75rem;
    height: 1.75rem;
    cursor: pointer;
    font-size: 1rem;
    font-weight: bold;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-sm);
}

.category-dropzone {
    margin: 0.85rem 0;
    padding: 0.85rem;
    border-radius: var(--radius-sm);
    background: var(--bg-tertiary);
    text-align: center;
    transition: all 0.3s ease;
    opacity: 0.6;
}

.category-dropzone:hover {
    border-color: var(--accent-primary);
    background: var(--bg-secondary);
    opacity: 0.8;
}

.category-dropzone.drag-over {
    border-color: var(--accent-primary);
    background: var(--accent-primary);
    opacity: 0.2;
    transform: scale(1.02);
}

.dropzone-text {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-style: italic;
    display: flex;
    align-items: center;
    gap: 0.25rem;
    justify-content: center;
    pointer-events: none;
}

.dropzone-text .material-icons {
    font-size: 0.85rem;
    vertical-align: middle;
    pointer-events: none;
}

.category-expenses {
    margin-top: 0.75rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--border-color);
}

.nested-expense {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 0.4rem 0.6rem;
    margin-bottom: 0.4rem;
    font-size: 0.85rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-secondary);
    cursor: move;
    transition: all 0.3s ease;
}

.nested-expense:hover {
    background: var(--bg-primary);
    border-color: var(--border-hover);
}

.nested-left {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nested-right {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nested-category {
    margin-top: 0.5rem;
}

.category-path {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-bottom: 0.375rem;
    font-weight: 400;
}

.list-section {
    width: 100%;
    min-height: 600px;
}

/* Verdoppelte Höhe für Ausgaben-Sektion */
.list-section:has(#items-list) {
    min-height: 1200px;
}

/* Fallback für Browser ohne :has() Support - zweite list-section ist Ausgaben */
.list-section:nth-of-type(2) {
    min-height: 1200px;
}

/* Verdoppelte Mindesthöhe für Einnahmen-Sektion (ursprünglich 150px) */
.list-section:has(#income-list) {
    min-height: 300px;
}

/* Fallback für Browser ohne :has() Support - erste list-section ist Einnahmen */
.list-section:first-child {
    min-height: 300px;
}

/* Verdoppelte Regel für Einnahmen-Liste (ursprünglich 80px für ~2 Einnahmen) */
#income-list {
    min-height: 160px;
}

/* Grüne Farbgebung für Einnahmen */
#income-list .expense-item {
    border-left: 4px solid var(--success-color);
}

#income-list .expense-item:hover {
    border-left-color: var(--success);
    box-shadow: 0 2px 8px rgba(68, 170, 102, 0.15);
}

#income-list .item-amount {
    color: var(--success-color);
    font-weight: 600;
}

/* Reduzierter Header-Margin für Einnahmen (keine verschachtelten Inhalte) */
#income-list .item-header {
    margin-bottom: 0;
}

/* Reduzierter Header-Margin für einfache Ausgaben (keine verschachtelten Inhalte) */
#items-list .expense-item .item-header {
    margin-bottom: 0;
}

/* Gesamtsummen-Styling */
.total-summary {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1.25rem;
    margin-top: 0.75rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-weight: 600;
}

.total-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.total-amount {
    font-size: 1.1rem;
    font-weight: 700;
}

.income-total .total-amount {
    color: var(--success-color);
}

.expense-total .total-amount {
    color: var(--danger);
}

.balance-total .total-amount {
    font-weight: 700;
}

.balance-total .total-amount.positive {
    color: var(--success-color);
}

.balance-total .total-amount.negative {
    color: var(--danger);
}

/* Menu Toggle Button */
.menu-toggle {
    background: var(--accent-primary);
    border: 2px solid var(--accent-primary);
    color: white;
    padding: 0.5rem;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: inherit;
    min-width: auto;
}

.menu-toggle:hover {
    background: var(--accent-hover);
    border-color: var(--accent-hover);
    box-shadow: var(--shadow-sm);
}

.menu-toggle .material-icons {
    font-size: 1.5rem;
}

/* Slide Navigation Overlay */
.slide-nav-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    z-index: 999;
}

.slide-nav-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* Slide Navigation */
.slide-nav {
    position: fixed;
    top: 0;
    right: -350px;
    width: 350px;
    height: 100%;
    background: var(--bg-primary);
    box-shadow: var(--shadow-lg);
    transition: right 0.3s ease;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
}

.slide-nav.active {
    right: 0;
}

.slide-nav-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    background: var(--bg-tertiary);
}

.slide-nav-header h2 {
    margin: 0;
    color: var(--text-primary);
    font-size: 1.5rem;
    font-weight: 600;
}

.close-nav-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    padding: 0.5rem;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: auto;
}

.close-nav-btn:hover {
    color: var(--text-primary);
    background: var(--bg-primary);
    transform: scale(1.1);
}

.close-nav-btn .material-icons {
    font-size: 1.5rem;
}

/* User Info Section */
.slide-nav-user {
    padding: 1rem;
    background: var(--bg-secondary);
}

.user-info {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.user-info .material-icons {
    font-size: 2.5rem;
    color: var(--accent-primary);
}

.user-info .username {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
}

/* Navigation Menu */
.slide-nav-menu {
    list-style: none;
    padding: 0;
    margin: 0;
    flex-grow: 1;
}

.slide-nav-menu li {
    border: none;
}

.nav-menu-item {
    width: 100%;
    background: transparent;
    border: none;
    padding: 1.25rem 1.5rem;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 500;
    font-family: inherit;
    color: var(--text-secondary);
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 1rem;
    text-align: left;
    box-shadow: none;
    border-radius: 0;
}

.nav-menu-item:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    transform: none;
    box-shadow: none;
}

.nav-menu-item.active {
    background: var(--bg-tertiary);
    color: var(--accent-primary);
    border-left: 3px solid var(--accent-primary);
}

.nav-menu-item .material-icons {
    font-size: 1.5rem;
    opacity: 0.8;
}

.nav-menu-item.active .material-icons {
    opacity: 1;
}

/* Navigation Footer */
.slide-nav-footer {
    padding: 1.5rem;
    border-top: none;
    background: transparent;
    display: flex;
    flex-direction: row;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.nav-action-btn {
    padding: 0.875rem;
    cursor: pointer;
    font-size: 0.95rem;
    font-weight: 500;
    font-family: inherit;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    border: none;
    box-shadow: none;
    border-radius: 0;
    height: 3rem;
}

.nav-action-btn.delete-btn {
    background: var(--warning);
    border-color: var(--warning);
    color: white;
    width: 3rem;
    flex-shrink: 0;
}

.nav-action-btn.logout-btn {
    background: var(--danger);
    color: white;
    flex: 1;
}

.nav-action-btn .material-icons {
    font-size: 1.3rem;
}

/* Mobile Responsive */
@media (max-width: 480px) {
    .slide-nav {
        right: -100%;
        width: 85%;
        max-width: 350px;
    }
}

.tab-content {
    display: none;
    width: 100%;
    min-height: 600px;
}

.tab-content.active {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
    min-height: 600px;
}

/* Chart Section Styling */
.chart-section {
    width: 100%;
    min-height: 1000px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.chart-controls {
    display: flex;
    justify-content: center;
    margin-top: 1.5rem;
}

.chart-btn {
    background: var(--accent-primary);
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    font-family: inherit;
    transition: all 0.3s ease;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    box-shadow: var(--shadow-sm);
}

.chart-btn:hover {
    background: var(--accent-hover);
    box-shadow: var(--shadow-md);
}

.chart-refresh-btn {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.chart-refresh-btn .material-icons {
    font-size: 32px;
}

.chart-container {
    width: 100% !important;
    height: 100% !important;
    flex-grow: 1;
    border: 0;
    position: relative;
    display: flex !important;
    flex-direction: column;
    visibility: visible !important;
    overflow: visible;
    box-sizing: border-box;
    margin: 0 auto;
}

.sunburst-container {
    min-height: 800px;
}

.treemap-container {
    min-height: 800px;
}

.chart-container .main-svg {
    background: transparent !important;
}

.chart-container .main-svg .bg {
    fill: transparent !important;
}

/* Plotly Modebar (Toolbar) Styling */
.modebar {
    background: transparent !important;
}

.modebar-group {
    background: transparent !important;
}

.modebar-btn {
    background: transparent !important;
}

/* Gesamtsaldo-Styling */
.balance-summary {
    margin-top: 2rem;
    padding: 1rem 1.5rem;
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.balance-label {
    color: var(--text-primary);
    font-size: 1.1rem;
    font-weight: 600;
    flex-shrink: 0;
}

.balance-amount {
    font-size: 1.4rem;
    font-weight: 700;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    flex-shrink: 0;
}

.balance-amount.positive {
    color: var(--success-color);
    background: rgba(68, 170, 102, 0.1);
    border-color: var(--success-color);
}

.balance-amount.negative {
    color: var(--danger);
    background: rgba(204, 85, 85, 0.1);
    border-color: var(--danger);
}

.balance-formula {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
    flex-shrink: 0;
}

.balance-income {
    color: var(--success-color);
    font-weight: 600;
}

.balance-expenses {
    color: var(--danger);
    font-weight: 600;
}

button:disabled,
input:disabled,
select:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    background-color: var(--bg-tertiary);
    color: var(--text-muted);
}

button:disabled:hover {
    transform: none;
    box-shadow: var(--shadow-sm);
    background-color: var(--bg-tertiary);
}

/* Inline Editing Styles */
.editable {
    cursor: pointer;
    padding: 2px 4px;
    border-radius: 2px;
    transition: all 0.2s ease;
    position: relative;
}

.editable:hover {
    background-color: var(--bg-tertiary);
    outline: 1px dashed var(--border-color);
}

.inline-edit-input {
    background: var(--bg-primary);
    border: 2px solid var(--accent-primary);
    color: var(--text-primary);
    font-size: inherit;
    font-family: inherit;
    font-weight: inherit;
    padding: 2px 4px;
    margin: 0;
    border-radius: 2px;
    min-width: 60px;
    max-width: 200px;
}

.inline-edit-input:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgb(122 138 154 / 0.2);
}

.inline-edit-input[type="number"] {
    max-width: 100px;
}

.item-title.editable::after {
    content: "✏️";
    opacity: 0;
    margin-left: 4px;
    font-size: 0.7rem;
    transition: opacity 0.2s ease;
}

.item-amount.editable::after {
    content: "✏️";
    opacity: 0;
    margin-left: 4px;
    font-size: 0.7rem;
    transition: opacity 0.2s ease;
}

.editable:hover::after {
    opacity: 0.6;
}

/* Portfolio Exposure Styling */
.portfolio-section {
    width: 100%;
    max-width: 100%;
}

.portfolio-input {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
    padding: 1rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    align-items: center;
}

.portfolio-input input[type="text"],
.portfolio-input input[type="number"] {
    flex: 1;
    min-width: 150px;
}

.portfolio-input input[type="number"] {
    max-width: 200px;
}

#add-instrument {
    padding: 0.5rem 0.625rem;
    min-width: auto;
    height: auto;
    display: flex;
    align-items: center;
    justify-content: center;
    box-sizing: border-box;
}

#add-instrument .material-icons {
    font-size: 1.4rem;
    line-height: 1;
}

.allocation-summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
    padding: 1rem 1.25rem;
    margin-bottom: 1.5rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    font-weight: 600;
}

.investment-display-group {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.investment-label {
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-weight: 600;
    white-space: nowrap;
}

.investment-value {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
    cursor: pointer;
    padding: 0.25rem;
    transition: all 0.2s ease;
    min-width: 150px;
    text-align: right;
}

.investment-value:hover {
    opacity: 0.7;
}

.allocation-display {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.allocation-label {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.allocation-total {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--accent-primary);
}

.allocation-total.complete {
    color: var(--success-color);
}

.allocation-total.over {
    color: var(--danger);
}

.allocation-target {
    color: var(--text-muted);
    font-size: 0.9rem;
    font-weight: 400;
}

.portfolio-table-container {
    width: 100%;
    overflow-x: auto;
}

.portfolio-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-primary);
}

.portfolio-table thead {
    background: var(--bg-tertiary);
    border-bottom: 2px solid var(--border-color);
}

.portfolio-table th {
    padding: 0.75rem 1rem;
    text-align: left;
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
}

.portfolio-table th.sortable {
    cursor: pointer;
    user-select: none;
    transition: all 0.2s ease;
}

.portfolio-table th.sortable:hover {
    background: var(--bg-primary);
    color: var(--accent-primary);
}

.portfolio-table th .sort-icon {
    font-size: 1rem;
    vertical-align: middle;
    margin-left: 0.25rem;
    opacity: 0.5;
}

.portfolio-table th.sortable:hover .sort-icon {
    opacity: 1;
}

.portfolio-table th.sorted-asc .sort-icon::before {
    content: 'arrow_upward';
}

.portfolio-table th.sorted-desc .sort-icon::before {
    content: 'arrow_downward';
}

.portfolio-table tbody tr {
    border-bottom: 1px solid var(--border-color);
    transition: all 0.2s ease;
}

.portfolio-table tbody tr:hover {
    background: var(--bg-tertiary);
}

.portfolio-table td {
    padding: 0.75rem 1rem;
    color: var(--text-primary);
}

.portfolio-table td a {
    color: var(--accent-primary);
    text-decoration: none;
    transition: color 0.2s ease;
}

.portfolio-table td a:hover {
    color: var(--accent-hover);
    text-decoration: underline;
}

.portfolio-table td a .material-icons {
    font-size: 1rem;
    vertical-align: middle;
}

.instrument-actions {
    display: flex;
    gap: 0.5rem;
}

.instrument-edit-btn,
.instrument-delete-btn {
    padding: 0.4rem;
    min-width: auto;
    width: 2rem;
    height: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.instrument-edit-btn {
    background: var(--accent-primary);
}

.instrument-edit-btn:hover {
    background: var(--accent-hover);
}

.instrument-delete-btn {
    background: var(--danger);
}

.instrument-delete-btn:hover {
    background: #dc2626;
}

.instrument-actions .material-icons {
    font-size: 1.1rem;
}

/* Portfolio Pie Chart */
.portfolio-chart-section {
    margin-top: 2rem;
}

.pie-chart-container {
    width: 100%;
    height: 500px;
    border: none;
    border-radius: var(--radius-md);
    padding: 0;
}

.bar-chart-container {
    width: 100%;
    height: 300px;
    border: none;
    border-radius: var(--radius-md);
    padding: 0;
}

/* Section Header with Link */
.section-header-with-link {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    border-bottom: 2px solid var(--accent-primary);
    padding-bottom: 0.75rem;
}

.section-header-with-link h2 {
    margin: 0;
    padding: 0;
    border: none;
}

.external-link {
    color: var(--accent-primary);
    text-decoration: none;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem;
    border-radius: var(--radius-sm);
}

.external-link:hover {
    color: var(--accent-hover);
    background: var(--bg-tertiary);
}

.external-link .material-icons {
    font-size: 1.5rem;
}

/* Excel Dropzone Styling */
.excel-dropzone {
    border: 3px dashed var(--border-color);
    border-radius: var(--radius-md);
    padding: 3rem 2rem;
    text-align: center;
    background: var(--bg-tertiary);
    cursor: pointer;
    transition: all 0.3s ease;
    margin-bottom: 2rem;
}

.excel-dropzone:hover,
.excel-dropzone.drag-over {
    border-color: var(--accent-primary);
    background: var(--bg-secondary);
    transform: scale(1.01);
}

.dropzone-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.dropzone-icon {
    font-size: 4rem;
    color: var(--accent-primary);
    opacity: 0.7;
}

.dropzone-text {
    font-size: 0.85rem;
    color: var(--text-primary);
    font-weight: 500;
    font-variant: small-caps;
}

.dropzone-hint {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin: 0;
}

/* Excel Table Container */
.excel-table-container {
    width: 100%;
    margin-top: 2rem;
}

.excel-table-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    padding: 1rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
}

.excel-file-info {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.excel-table-header h3 {
    color: var(--text-primary);
    font-size: 1.2rem;
    font-weight: 600;
    margin: 0;
}

.format-info {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.format-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
}

.format-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: var(--accent-primary);
    color: white;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 4px;
    letter-spacing: 0.5px;
}

.clear-excel-btn {
    background: var(--danger);
    border: 2px solid var(--danger);
    color: white;
    padding: 0.5rem;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: inherit;
    min-width: auto;
}

.clear-excel-btn:hover {
    background: #dd4444;
    border-color: #dd4444;
    box-shadow: var(--shadow-sm);
}

.excel-table-wrapper {
    width: 100%;
    max-height: 500px;
    overflow-x: auto;
    overflow-y: auto;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
}

.excel-data-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-primary);
}

.excel-data-table thead {
    background: var(--bg-tertiary);
    border-bottom: 2px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 10;
}

.excel-data-table th {
    padding: 0.25rem 0.4rem;
    text-align: left;
    font-weight: 600;
    font-size: 0.75rem;
    color: var(--text-primary);
    white-space: nowrap;
    border-right: 1px solid var(--border-color);
}

.excel-data-table th:last-child {
    border-right: none;
}

.excel-data-table tbody tr {
    border-bottom: 1px solid var(--border-color);
    transition: all 0.2s ease;
}

.excel-data-table tbody tr:hover {
    background: var(--bg-tertiary);
}

.excel-data-table td {
    padding: 0.25rem 0.4rem;
    font-size: 0.75rem;
    color: var(--text-primary);
    border-right: 1px solid var(--border-color);
}

.excel-data-table td:last-child {
    border-right: none;
}

/* CSV Preview Section */
.csv-preview-section {
    margin-top: 2rem;
}

.csv-preview-title {
    color: var(--text-primary);
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid var(--accent-primary);
}

.csv-preview-wrapper {
    width: 100%;
    max-height: 500px;
    overflow-x: auto;
    overflow-y: auto;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
}

/* Excel Actions */
.excel-actions {
    margin-top: 1.5rem;
    display: flex;
    justify-content: center;
}

.download-csv-btn {
    background: var(--accent-primary);
    border: 2px solid var(--accent-primary);
    color: white;
    padding: 0.75rem 1.5rem;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: inherit;
    font-size: 1rem;
    font-weight: 500;
    box-shadow: var(--shadow-sm);
}

.download-csv-btn:hover {
    background: var(--accent-hover);
    border-color: var(--accent-hover);
    box-shadow: var(--shadow-md);
}

.download-csv-btn .material-icons {
    font-size: 1.2rem;
}

@media (max-width: 768px) {
    h1 {
        font-size: 2rem;
    }

    .user-management {
        flex-direction: column;
        gap: 1rem;
    }

    .user-selector {
        width: 100%;
    }

    .user-creator {
        width: 100%;
        justify-content: stretch;
    }

    #new-user-name {
        flex: 1;
        min-width: auto;
    }

    .inline-inputs {
        flex-direction: column;
        gap: 1rem;
    }

    .expense-input-group, .income-input-group, .unified-input-group {
        border-right: none;
        border-bottom: 1px solid var(--border-color);
        padding-right: 0;
        padding-bottom: 1rem;
    }

    .expense-input-group, .category-input-group, .income-input-group, .unified-input-group {
        min-width: auto;
        flex-wrap: wrap;
        gap: 0.75rem;
    }

    input[type="text"], input[type="number"] {
        min-width: 100px;
    }

    .expense-input-group input[type="number"] {
        max-width: none;
    }
}